Foam Flashcards
1
Q
What three things make up foam?
A
Foam concentrate
Water
Air
2
Q
How does foam extinguish fire?
A
Cools the fuel surface Separates flames from fuel Excludes oxygen from fuel surface Restricts the release of vapour Formation of a radiant heat barrier
3
Q
What does AR-FFFP mean?
A
Alcohol resistant film - forming fluoroprotein
4
Q
What is the expansion ration of foam?
A
7:1
5
Q
Factors to consider with use on class B
A
Have you got enough foam for area? Do not let water flow onto the fire! Wind direction Can be used on class A and B fires Maintain foam coverage and foam making capability Gentle foam application Edge fires Correct operation of equipment
